Ramos, V. (1997). Marcopper mining disaster: A year after. Manila Chronicle.
Lua i Stíl Chicago (17ú heag.)Ramos, Victor. "Marcopper Mining Disaster: A Year After." Manila Chronicle 1997.
Lua MLA (9ú heag.)Ramos, Victor. "Marcopper Mining Disaster: A Year After." Manila Chronicle, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.